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Crown Hill Formation

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Crown Hill Formation
Stratigraphic range: 550 Ma
TypeFormation
Unit ofMusgravetown Group[1]
Underlies
Lithology
PrimaryVolcanic non-marine
Location
RegionNewfoundland
CountryCanada

Occurrence in southeast Newfoundland

Crown Hill Formation is a late Ediacaran volcanic non-marine sedimentary formation in Newfoundland.[3] It's topped off with a bright red conglomerate, with silt and arkose sands of similar hue too.[4]

It's subdivided into nine facies, including (on Random Island) Brook Point, Duntara Harbour, Red Cliff (with Bluye Point Horizon subfacies') and Broad Head.[2] (on Cape St Mary's) Cross Pt Member, Hurricane Brook Mmbr[4]

References

[edit]
  1. ^ "Newfoundland and Labrador Geoscience Atlas". geoatlas.gov.nl.ca.
  2. ^ a b Normore, L. S. 2012: GEOLOGY OF THE RANDOM ISLAND MAP AREA (Nts 2C/04), Newfoundland. Current Research (2012) Newfoundland and Labrador Department of Natural Resources Geological Survey Report 12-:121–145.
  3. ^ "Mines and Energy - GeoFiles Search Results".
  4. ^ a b Fletcher, T. P. (2006). "Bedrock geology of the Cape St. Mary's Peninsula, southwest Avalon Peninsula, Newfoundland" (PDF). p. 117.